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Small W, Mell LK, Anderson P et al. Consensus guidelines for deineation of clinical target volume for intensity-
modulated pelvic radiotherapy in postoperative treatment of endometrial and cervical cancer. Int. J. Radiation
Preascral (in front of S1 & S2):
Post. Border: sacrum (no foramina)
Ant. Border: 1.5 cm in front of sacrum
CIA Group:
Exclude muscles, bones, bowel